Operations and Algebraic Thinking

Enter the number that belongs next in the pattern.

13, 15, 17, 19, 21, 23, ______

• 24

• 25

• 21

• 22

What unknown number makes this equation true?

6x4 = ?

• 20

• 24

• 10

• 2

What unknown number makes this equation true? 8x5 = ?

• 45

• 13

• 40

• 3

There are 32 students in Mrs. Bubba's class. She wants to divide the class into groups of 4 students. How many groups will she have?

• 6

• 7

• 8

• 9

Olivia ate 5 blueberries each day. Yummy! She ate blueberries for 2 days. Which could be used to find "b", the number of blueberries Olivia ate?

• 2 x 5 = b

• 5 ÷ 2 = b

• 5 - 2 = b

• 2 + 5 = b

Which number correctly fills in the blank? 54 = _____ x 9

• 8

• 7

• 6

• 5

Which number makes this true? 
8 x ∆ = 24

• 3

• 4

• 5

• 6

32 ÷ 8 =

• 24

• 5

• 4

• 3

28 ÷ 7 =

• 5

• 4

• 21

• 33

Enter the number that belongs next in the pattern.

44, 50, 56, 62, 68, _____.

• 70

• 72

• 74

• 67